Experimental demonstration of 72% reach enhancement of 3.6Tbps optical transmission system using mid-link Optical Phase Conjugation

Al-Khateeb, Mohammad, Tan, Mingming, Iqbal, Mohammed, Ali, Abdallah, McCarthy, Mary E., Harper, Paul and Ellis, Andrew D. (2018). Experimental demonstration of 72% reach enhancement of 3.6Tbps optical transmission system using mid-link Optical Phase Conjugation. Optics Express, 26 (18), pp. 23960-23968.

Abstract

We experimentally demonstrate nonlinear noise compensation in optical phase conjugation assisted 1st order Raman amplified 30x30Gbaud DP-QPSK transmission system with a spectral efficiency of 3.6b/s/Hz. We show that by optimizing the link symmetry, even with only 1st order Raman amplification a single, mid-link, optical phase conjugation compensates for 90% off the signal-signal nonlinear interference resulting in a 2.3dB performance enhancement. We show that increasing the number of optical phase conjugation s in the presence of 10% residual nonlinearity results in a reduction in the performance enhancement owing to an enhancement in the nonlinear noise generation efficiency of the system. We achieve a record 72% optical phase conjugation enabled reach enhancement of the 30x30Gbaud DP-QPSK signals.

Publication DOI: https://doi.org/10.1364/OE.26.023960
Dataset DOI: https://doi.org/10.17036/researchdata.aston.ac.uk.00000354
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funding: EPSRC (EP/J017582/1 [UNLOC], EP/L000091/1 [PEACE]); and Marie Curie Initial Training Networks (FP7 ITN) (608099 [ICONE]).
Uncontrolled Keywords: Optical communications ,Phase conjugation ,Nonlinear optics, fibers ,Raman effect
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Related URLs: https://www.osa ... =oe-26-18-23960 (Publisher URL)
Accepted Date: 2018-06-28
Published Date: 2018-08-31
Authors: Al-Khateeb, Mohammad ( 0000-0002-1367-6777)
Tan, Mingming ( 0000-0002-0822-8160)
Iqbal, Mohammed
Ali, Abdallah
McCarthy, Mary E. ( 0000-0002-1348-1574)
Harper, Paul ( 0000-0002-9495-9911)
Ellis, Andrew D. ( 0000-0002-0417-0547)

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